EP0350781A3 - Matériau magnétique en poudre et aimant du type à liant résineux - Google Patents

Matériau magnétique en poudre et aimant du type à liant résineux Download PDF

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Publication number
EP0350781A3
EP0350781A3 EP19890112316 EP89112316A EP0350781A3 EP 0350781 A3 EP0350781 A3 EP 0350781A3 EP 19890112316 EP19890112316 EP 19890112316 EP 89112316 A EP89112316 A EP 89112316A EP 0350781 A3 EP0350781 A3 EP 0350781A3
Authority
EP
European Patent Office
Prior art keywords
magnetic powder
powder material
resin
type magnet
bonded type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19890112316
Other languages
German (de)
English (en)
Other versions
EP0350781A2 (fr
Inventor
Kawato Hiroshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP63171832A external-priority patent/JPH0222802A/ja
Priority claimed from JP1101555A external-priority patent/JPH02281712A/ja
Application filed by Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Publication of EP0350781A2 publication Critical patent/EP0350781A2/fr
Publication of EP0350781A3 publication Critical patent/EP0350781A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/08—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/083—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Hard Magnetic Materials (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
EP19890112316 1988-07-12 1989-07-06 Matériau magnétique en poudre et aimant du type à liant résineux Withdrawn EP0350781A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63171832A JPH0222802A (ja) 1988-07-12 1988-07-12 磁石粉末材料及び樹脂結合型磁石
JP171832/88 1988-07-12
JP1101555A JPH02281712A (ja) 1989-04-24 1989-04-24 磁石粉末材料の製造方法及び樹脂結合型磁石の製造方法
JP101555/89 1989-04-24

Publications (2)

Publication Number Publication Date
EP0350781A2 EP0350781A2 (fr) 1990-01-17
EP0350781A3 true EP0350781A3 (fr) 1991-03-20

Family

ID=26442424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890112316 Withdrawn EP0350781A3 (fr) 1988-07-12 1989-07-06 Matériau magnétique en poudre et aimant du type à liant résineux

Country Status (2)

Country Link
EP (1) EP0350781A3 (fr)
KR (1) KR900002355A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420318C2 (de) * 1994-06-11 1996-04-11 Schulman A Gmbh Zusammensetzung auf Polymerbasis zur Herstellung von magnetischen und magnetisierbaren Formkörpern
FR3000834B1 (fr) * 2013-01-10 2015-02-20 Commissariat Energie Atomique Procede de fabrication d'aimants permanents par chauffage de la poudre ferromagnetique
DE102013220452A1 (de) * 2013-10-10 2015-04-30 Volkswagen Aktiengesellschaft Verfahren zur Herstellung eines Permanentmagneten sowie Permanentmagnet und elektrische Maschine mit einem solchen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462919A (en) * 1982-04-02 1984-07-31 Sumitomo Bakelite Company, Limited Ferromagnetic resin composition containing polymeric surface precoated magnetic rare earth cobalt powders
EP0175535A1 (fr) * 1984-09-12 1986-03-26 Polyplastics Co. Ltd. Composite magnétique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113403A (ja) * 1983-11-24 1985-06-19 Sumitomo Metal Mining Co Ltd 希土類樹脂磁石の製造方法
JPS60217602A (ja) * 1984-04-13 1985-10-31 Seiko Epson Corp 樹脂結合型永久磁石の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462919A (en) * 1982-04-02 1984-07-31 Sumitomo Bakelite Company, Limited Ferromagnetic resin composition containing polymeric surface precoated magnetic rare earth cobalt powders
EP0175535A1 (fr) * 1984-09-12 1986-03-26 Polyplastics Co. Ltd. Composite magnétique

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 65 (E-388)(2122) 14 March 1986, & JP-A-60 217602 (SUWA SEIKOSHA K.K.) 31 October 1985, *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 266 (E-352)(1989) 23 October 85, & JP-A-60 113403 (SUMITOMO KINZOKU KOUZAN K.K.) 19 June 1985, *

Also Published As

Publication number Publication date
EP0350781A2 (fr) 1990-01-17
KR900002355A (ko) 1990-02-28

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